Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html


Study Counts

Type Study_count
Total_Studies 1470
interventional 1301
Observational 163
Registry 6

Studies over Time by Start Date

```

Interventional Trials

Intervention Type

intervention_type Study_Count
Biological 831
Biological|placebo 151
Drug 73
Drug|placebo 73
Behavioral 40
Other 29
Biological|Drug 22
Device 14
Biological|Other 10
Biological|Drug|Other 9
Drug|Other 7
Dietary Supplement 6
Biological|Device 5
Biological|Dietary Supplement|placebo 4
Dietary Supplement|placebo 4
Drug|Other|placebo 4
Device|Other 3
Behavioral|Other 2
Biological|Other|placebo 2
Procedure 2
Behavioral|Device|Other 1
Behavioral|Drug 1
Biological|Dietary Supplement 1
Combination Product 1
Diagnostic Test 1
Diagnostic Test|Other 1
Drug|Procedure 1
Other|placebo 1
Other|Procedure 1
placebo 1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country Study_Count
United States 463
NA 72
China 63
United Kingdom 56
Canada 46
Belgium 37
Germany 33
Australia 26
Italy 24
Japan 24
Korea, Republic of 23
France 22
Russian Federation 20
Taiwan 18
United States|Canada 17
Finland 14
Switzerland 14
Brazil 13
Hungary 11
Vietnam 11
Poland 10
South Africa 10
Thailand 9
Hong Kong 8
Israel 8
Austria 7
Spain 7
Bangladesh 6
Mexico 6
Austria|Germany 5
Belgium|Germany 5
India 5
Netherlands 5
United States|Mexico 5
United States|Puerto Rico 5
Norway 4
Singapore 4
Belgium|Germany|Switzerland 3
Iran, Islamic Republic of 3
Kazakhstan 3
Senegal 3
Sweden 3
United States|Belgium|Germany|Norway 3
Australia|Canada|Czechia|Finland|Italy|Spain 2
Australia|New Zealand 2
Belgium|France 2
Czech Republic 2
Dominican Republic 2
Estonia|Slovakia 2
Germany|Netherlands|Sweden 2
Hong Kong|Singapore|Taiwan|Thailand 2
Philippines 2
Philippines|Thailand 2
Serbia 2
United States|Australia|Puerto Rico 2
United States|Canada|Puerto Rico 2
United States|South Africa 2
Argentina 1
Argentina|Australia|Chile|Philippines|South Africa 1
Australia|Bangladesh|Czechia|Denmark|Latvia|Norway|Sweden|United Kingdom 1
Australia|Brazil|Colombia|Costa Rica|Mexico|Philippines|Singapore|Thailand 1
Australia|Estonia|Finland|Lithuania|Philippines|Poland|Spain|Thailand 1
Australia|Finland|Singapore|Spain 1
Australia|Germany|Italy 1
Australia|Philippines 1
Australia|Singapore 1
Austria|Belgium 1
Austria|Belgium|Finland|Germany|Latvia|Lithuania|Netherlands 1
Austria|Finland 1
Austria|Germany|Poland 1
Austria|Singapore 1
Bangladesh|Dominican Republic|Honduras|Lebanon|Panama|Philippines|Thailand|Turkey 1
Belarus|Russian Federation|Ukraine 1
Belgium|Bangladesh|Czechia|Dominican Republic|Honduras|India|Lebanon|Philippines|Poland|Spain|Thailand|Turkey|United Kingdom 1
Belgium|Brazil|Bulgaria|Canada|Chile|Czechia|France|Germany|Hong Kong|Hungary|Israel|Italy|Korea, Republic of|Mexico|Netherlands|New Zealand|Peru|Poland|Russian Federation|South Africa|Spain|Sweden|Taiwan|Ukraine|United Kingdom 1
Belgium|Chile|Dominican Republic|Germany|Netherlands 1
Belgium|Czech Republic|Lithuania 1
Belgium|Dominican Republic|Germany 1
Belgium|France|Germany|Italy|Netherlands|Poland 1
Belgium|France|Germany|Italy|Poland|Spain 1
Belgium|France|Italy|Lithuania 1
Belgium|Germany|Spain 1
Belgium|Italy 1
Belgium|Netherlands 1
Belgium|Poland|United Kingdom 1
Belgium|United Kingdom 1
Bulgaria|Colombia|Czechia|Estonia|Latvia|Lithuania|Malaysia|Philippines|Poland|Romania|Thailand|Turkey 1
Bulgaria|Czechia|Estonia|Honduras|Latvia|Malaysia|New Zealand|Philippines|Poland|Romania|Thailand|Ukraine 1
Cameroon|China|India|Kenya|Lebanon|Mozambique|Nigeria|Philippines|Saudi Arabia|Sudan|Uganda|United Arab Emirates|Zambia 1
Canada|Dominican Republic|Honduras 1
Canada|Switzerland 1
China|Japan|Korea, Republic of|Taiwan 1
Colombia 1
Colombia|Mexico|Panama|Philippines 1
Costa Rica 1
Czech Republic|Estonia|Lithuania 1
Czech Republic|Finland 1
Czech Republic|Philippines|South Africa|Thailand 1
Czechia 1
Czechia|Poland|Spain|United Kingdom 1
Denmark 1
Denmark|Estonia|Norway 1
Estonia 1
Estonia|France|Germany|Netherlands|Russian Federation|Spain|Sweden 1
Finland|Germany 1
Finland|Germany|Italy 1
Finland|Greece 1
Finland|Philippines|Thailand 1
Finland|Sweden 1
France|Germany 1
France|Germany|Spain 1
France|Lithuania|Spain|United Kingdom 1
France|Poland 1
Gambia 1
Germany|Netherlands|Sweden|United Kingdom 1
Greece|Estonia|France|Germany|Norway|Russian Federation|United Kingdom 1
Guatemala 1
Hong Kong|Singapore 1
Indonesia 1
Israel|Spain 1
Italy|Spain 1
Japan|United States|Argentina|Australia|Belgium|Brazil|Bulgaria|Canada|China|Czechia|Estonia|Finland|France|Germany|Hong Kong|Hungary|Israel|Korea, Republic of|Mexico|Netherlands|New Zealand|Peru|Romania|Serbia|Singapore|Spain|Sweden|Turkey|Ukraine 1
Lithuania 1
Mali 1
Mexico|United States|Canada|Finland|Italy|Philippines|Poland|Puerto Rico|Spain|Taiwan|Thailand 1
Mozambique|Philippines|Uganda 1
Netherlands|Sweden 1
New Zealand 1
New Zealand|Australia 1
New Zealand|United States|Australia|Belgium|Brazil|Canada|China|Colombia|Czechia|Denmark|France|Germany|Greece|Hong Kong|Hungary|India|Korea, Republic of|Mexico|Netherlands|Norway|Poland|Russian Federation|Slovakia|South Africa|Spain|Taiwan|Thailand|United Kingdom 1
Poland|Turkey 1
Poland|United Kingdom 1
Portugal 1
Singapore|Thailand|Vietnam 1
Slovenia 1
Spain|Switzerland 1
Switzerland|United Kingdom 1
Taiwan|Thailand 1
Turkey 1
Uganda 1
United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|China|Czechia|Estonia|France|Germany|Hungary|India|Israel|Italy|Korea, Republic of|Latvia|Lithuania|Malaysia|Mexico|Netherlands|New Zealand|Peru|Poland|Russian Federation|Slovakia|South Africa|Spain|Sweden|Taiwan|Thailand|Turkey|Ukraine|United Kingdom|Vietnam 1
United States|Argentina|Australia|Austria|Belgium|Brazil|Bulgaria|Canada|Chile|China|Czechia|France|Germany|Hungary|India|Israel|Italy|Korea, Republic of|Latvia|Lithuania|Malaysia|Mexico|Netherlands|New Zealand|Peru|Poland|Russian Federation|Singapore|Slovakia|South Africa|Spain|Sweden|Taiwan|Thailand|Turkey|Ukraine|United Kingdom|Vietnam 1
United States|Argentina|Australia|Mexico|Thailand 1
United States|Argentina|Belgium|Brazil|Bulgaria|Canada|Chile|Colombia|Czechia|Estonia|France|Germany|Guatemala|Hungary|Israel|Italy|Latvia|Lithuania|Mexico|Poland|Romania|South Africa|Spain|Switzerland|Ukraine|United Kingdom 1
United States|Argentina|Brazil|Canada|Colombia|Dominican Republic|El Salvador|Guatemala|Mexico|Peru|Puerto Rico 1
United States|Argentina|Brazil|China|Costa Rica|Greece|Hong Kong|India|Israel|Japan|Mexico|Singapore|South Africa|Spain|Turkey|United Kingdom 1
United States|Argentina|Thailand 1
United States|Australia|Belarus|Belgium|Bulgaria|Canada|Estonia|France|Georgia|Latvia|Malaysia|New Zealand|Russian Federation|Serbia|Singapore|South Africa|Spain|Thailand|Turkey|Ukraine 1
United States|Australia|Belgium|Brazil|Canada|France|Germany|Hong Kong|Malaysia|Netherlands|New Zealand|Singapore|Spain|Sweden|Turkey 1
United States|Australia|Belgium|Bulgaria|Canada|Colombia|Estonia|France|Germany|Hungary|Latvia|Mexico|New Zealand|Peru|South Africa|United Kingdom 1
United States|Australia|Belgium|Bulgaria|Hungary|Netherlands|New Zealand|Poland|Russian Federation|South Africa|Spain|Sweden|Turkey|Ukraine 1
United States|Australia|Belgium|Canada|New Zealand 1
United States|Australia|Brazil|Canada|France|Hong Kong|Japan|Norway|Russian Federation|South Africa|Spain|Thailand|United Kingdom 1
United States|Australia|Canada|Hong Kong|New Zealand|Singapore|South Africa 1
United States|Australia|Canada|Mexico|New Zealand|Puerto Rico 1
United States|Australia|Canada|Netherlands|Singapore 1
United States|Australia|Chile|New Zealand|Paraguay|Peru|South Africa 1
United States|Australia|Denmark|United Kingdom 1
United States|Australia|Mexico 1
United States|Australia|New Zealand|Philippines|Thailand 1
United States|Australia|New Zealand|South Africa 1
United States|Australia|New Zealand|Thailand 1
United States|Australia|South Africa 1
United States|Australia|Thailand 1
United States|Bangladesh|Czechia|France|Germany|Poland|Spain 1
United States|Belgium 1
United States|Belgium|Brazil|Canada|Chile|Colombia|Finland|Germany|Greece|Israel|Italy|Mexico|Poland|South Africa|Spain 1
United States|Belgium|Bulgaria|Canada|Estonia|Germany|Latvia|Puerto Rico 1
United States|Belgium|Canada|Czech Republic|Estonia|France|Germany|Hungary|Israel|Italy|Lithuania|Poland|Spain|United Kingdom 1
United States|Belgium|Canada|Czechia|Estonia|France|Germany|Mexico|Netherlands|Norway|Poland|Romania|Russian Federation|Taiwan|United Kingdom 1
United States|Belgium|Czech Republic|Hong Kong|Ireland|Korea, Republic of|Taiwan|United Kingdom 1
United States|Bulgaria|Estonia|Latvia|Serbia|South Africa|Ukraine 1
United States|Canada|Denmark 1
United States|Canada|Finland|Germany|Philippines|Thailand|United Kingdom 1
United States|Canada|Korea, Republic of|New Zealand|South Africa|Spain|United Kingdom 1
United States|Canada|Mexico 1
United States|Canada|Mexico|Spain|Taiwan 1
United States|Canada|Puerto Rico|Spain 1
United States|Canada|Thailand 1
United States|Colombia|Panama|Philippines 1
United States|Costa Rica|Finland|Israel|Mexico|Panama|Poland|Russian Federation|South Africa|Spain|Thailand 1
United States|Costa Rica|Israel|Mexico|Poland|Russian Federation|Spain 1
United States|Croatia|Finland|Hungary|Italy|Lithuania|Romania 1
United States|Czechia|France|Germany|Philippines 1
United States|Denmark|France|Hungary|Italy|Lithuania|Poland|Romania|Spain 1
United States|Finland 1
United States|Finland|Philippines|Thailand 1
United States|Finland|Poland 1
United States|Germany 1
United States|Germany|Korea, Republic of|Romania|Spain|Taiwan 1
United States|Germany|Netherlands|Poland 1
United States|Hong Kong|Mexico|Taiwan|Thailand 1
United States|Israel|Lebanon 1
United States|Spain 1
United States|Thailand 1
United States|United Kingdom 1

Sites per Study

Site_count Study_Count
1 668
2 141
3 73
4 68
5 44
6 40
7 19
8 18
9 19
10 12
11 8
12 14
13 10
14 4
15 13
16 5
17 7
18 3
19 4
20 4
21 2
23 3
24 4
25 3
26 3
27 3
28 5
29 5
30 7
31 2
32 3
33 4
34 2
35 3
36 3
37 3
38 6
39 1
40 5
41 3
42 3
45 2
46 1
49 1
50 1
51 1
53 1
54 1
55 2
56 1
59 1
60 1
61 1
63 1
66 1
67 1
68 1
69 2
73 1
78 1
80 1
81 1
83 1
88 1
89 1
91 1
93 1
96 1
101 1
103 1
110 2
113 1
114 1
123 1
161 1
162 1
167 2
170 1
171 1
190 1
191 1
208 1
221 1
222 1
228 1
241 1
247 1
274 1
397 1
563 1

Phase

Phase Study_Count
Phase 3 297
Phase 2 284
Phase 4 244
Phase 1 218
N/A 160
Phase 1/Phase 2 70
Phase 2/Phase 3 27
Early Phase 1 1

Number of Arms

Number_of_Arms Count_of_Studies
1 175
2 527
3 182
4 147
5 56
6 49
7 15
8 19
9 8
10 10
11 3
12 7
13 1
14 1
NA 101

Enrollment Metrics by Phase

Measure Early.Phase.1 N.A Phase.1 Phase.1.Phase.2 Phase.2 Phase.2.Phase.3 Phase.3 Phase.4
Min. 11 8.00 7.0 5.0000 2.0000 16.0000 20.000 6.000
1st Qu. 11 112.50 40.0 83.2500 110.7500 250.5000 174.000 86.750
Median 11 271.00 60.0 174.5000 232.0000 534.0000 602.000 200.000
Mean 11 13557.62 123.5 285.8286 429.3298 751.8462 1905.276 1118.168
3rd Qu. 11 1485.00 132.5 394.0000 468.5000 919.7500 2000.000 609.500
Max. 11 480000.00 780.0 2860.0000 6600.0000 3604.0000 68000.000 31989.000

Trial Group Type

group_type Group_Count
Experimental 2272
Active Comparator 735
Placebo Comparator 308
Other 129
NA 101
No Intervention 61
Sham Comparator 5

Intervention Model

intervention_model Study_Count
Parallel Assignment 995
Single Group Assignment 252
Factorial Assignment 22
Crossover Assignment 20
Sequential Assignment 6
NA 6

Primary Purpose

primary_purpose Study_Count
Prevention 982
Treatment 155
Basic Science 65
Health Services Research 40
Other 21
NA 20
Diagnostic 12
Device Feasibility 2
Educational/Counseling/Training 2
Screening 1
Supportive Care 1

Observational Studies

Studies by Country

Country Study_Count
United States 52
NA 22
United Kingdom 14
Canada 10
France 9
Brazil 5
China 4
Germany 3
Sweden 3
Vietnam 3
Egypt 2
Finland 2
Israel 2
Mexico 2
Spain 2
United States|Canada 2
Argentina|Italy|Netherlands 1
Argentina|Netherlands 1
Armenia|Georgia|Moldova, Republic of|Russian Federation 1
Australia|Brazil 1
Austria 1
Bangladesh 1
Belgium 1
Chile|Colombia|Germany|Switzerland 1
Iran, Islamic Republic of 1
Italy 1
Italy|Romania|United Kingdom 1
Japan 1
Korea, Republic of 1
Latvia 1
Lebanon 1
Netherlands 1
Panama 1
Poland 1
Slovenia 1
Switzerland 1
United States|Argentina|Australia|Belgium|Chile|Denmark|Estonia|Germany|Greece|Japan|Peru|Poland|Spain|Thailand|United Kingdom 1
United States|Argentina|Australia|Belgium|Chile|Denmark|Germany|Greece|Peru|Spain|Thailand|United Kingdom 1
United States|Australia|Canada 1
United States|Australia|France|Germany|Hong Kong|Netherlands|Norway|Poland 1
United States|Lebanon 1
United States|Puerto Rico 1

Sites per Study

Site_count Study_Count
1 105
2 11
3 7
4 6
5 9
6 2
7 1
8 4
10 1
11 1
12 4
13 1
14 2
16 2
17 3
63 1
68 1
86 1
91 1

Enrollment Metrics

Measure Observational
Min 1.00
1st Qu 104.25
Median 489.00
Mean 23957.18
3rd Qu 1625.25
Max 1600000.00

Observation Model

observational_model Study_Count
Cohort 94
Case-Only 19
NA 14
Other 11
Case Control 10
Ecologic or Community 7
Case-Control 5
Family-Based 2
Defined Population, Natural History 1

Time Perspective

time_perspective Study_Count
Prospective 122
Retrospective 23
Cross-Sectional 9
NA 6
Other 2
Longitudinal, Retrospective 1

Registries

Studies by Country

Country Study_Count
United States 2
Finland 1
NA 1
Switzerland 1
Taiwan 1

Sites per Study

Site_count Study_Count
1 5
5 1

Enrollment Metrics

Measure Registries
Min 54.00
1st Qu 173.50
Median 472.00
Mean 95493.33
3rd Qu 26425.00
Max 536812.00

Registry Model

observational_model Study_Count
Cohort 3
Case-Control 1
Case-Only 1
Ecologic or Community 1

Time Perspective

time_perspective Study_Count
Prospective 5
NA 1

Follow-up

target_duration Study_Count
1 Year 3
1 Month 1
10 Years 1
15 Months 1

Overview of Studies

Interventional Trials

#If less then 500 trials

Observational Studiess

#If less then 500 studies

nct_id brief_title link overall_status source primary_completion_date
NCT04232956 Invasive Pulmonary Aspergillosis and Severe Influenza https://ClinicalTrials.gov/show/NCT04232956 Completed University Hospital, Brest 2018-11-05
NCT03339180 Cardiac Injury in Patients With Influenza https://ClinicalTrials.gov/show/NCT03339180 Recruiting Örebro University, Sweden 2020-04-30
NCT03278067 Post-authorisation Passive Enhanced Safety Surveillance of Seasonal Influenza Vaccines: Pilot Study in England https://ClinicalTrials.gov/show/NCT03278067 Completed GlaxoSmithKline 2017-11-30
NCT03228095 Volatiles in Breath and Headspace Analysis - Diagnostic Markers https://ClinicalTrials.gov/show/NCT03228095 Enrolling by invitation University of Latvia 2019-12-20
NCT03196245 NK Cell Mediated Influenza Immunity During Pregnancy https://ClinicalTrials.gov/show/NCT03196245 Active, not recruiting Stanford University 2020-08-01
NCT03061955 Safety and Efficacy of Concurrent Administration of Influenza Vaccine in Patients Undergoing Anti-PD-1 Immunotherapy (Nivolumab, Pembrolizumab) https://ClinicalTrials.gov/show/NCT03061955 Completed Advocate Health Care 2017-03-31
NCT03057483 Active Surveillance for Adverse Events Following Immunization With the Influenza Vaccine Produced at Butantan Institute https://ClinicalTrials.gov/show/NCT03057483 Completed Butantan Institute 2017-09-06
NCT03010410 Platelet Immune Responses in Aging and Influenza and Sepsis (INVACS) https://ClinicalTrials.gov/show/NCT03010410 Enrolling by invitation Intermountain Health Care, Inc. 2019-10-31
NCT03010007 Prospective Analysis of Seasonal Influenza - Viral Transmission and Evolution in the City of Basel, Switzerland https://ClinicalTrials.gov/show/NCT03010007 Completed University Hospital, Basel, Switzerland 2018-05-31
NCT03007797 Realization of the Recommendation for Influenza Vaccination in Pregnant Women https://ClinicalTrials.gov/show/NCT03007797 Completed University Hospital, Saarland 2014-02-28
NCT02984280 Specific Respiratory Infections as Triggers of Acute Medical Events https://ClinicalTrials.gov/show/NCT02984280 Completed University College, London 2017-03-31
NCT02983019 Treatment of Influenza in Routine Clinical Practice https://ClinicalTrials.gov/show/NCT02983019 Completed Nearmedic Plus LLC 2015-12-31
NCT02979626 Evaluation of Moderate to Severe Influenza Outcomes in Children https://ClinicalTrials.gov/show/NCT02979626 Completed University of Colorado, Denver 2018-05-04
NCT02909855 Factors Associated With Parental Observation of Side Effects Following the Child Flu Vaccine https://ClinicalTrials.gov/show/NCT02909855 Completed King’s College London 2017-01-31
NCT02900209 Influenza Vaccination and COPD Phenotypes https://ClinicalTrials.gov/show/NCT02900209 Completed University of Lincoln 2017-09-30
NCT02893878 Post-authorisation Passive Enhanced Safety Surveillance of Seasonal Influenza Vaccines https://ClinicalTrials.gov/show/NCT02893878 Completed GlaxoSmithKline 2016-11-24
NCT02885246 Prevalence, Strain Circulation and Disease Burden Study of Seasonal Influenza A and B in Panama, Selected Countries of Central America and the Caribbean From the Year 2010 to 2015 https://ClinicalTrials.gov/show/NCT02885246 Completed GlaxoSmithKline 2018-09-17
NCT02819180 Study to Evaluate Safety and Immunogenicity of Butantan Seasonal Influenza Vaccine - FLU-02-IB https://ClinicalTrials.gov/show/NCT02819180 Completed Butantan Institute 2014-06-30
NCT02819115 Cohort Study to Evaluate Safety and Immunogenicity of Butantan Seasonal Influenza Vaccine https://ClinicalTrials.gov/show/NCT02819115 Completed Butantan Institute 2013-07-31
NCT02786381 Idylla IFV-RSV Panel Clinical Testing https://ClinicalTrials.gov/show/NCT02786381 Completed Janssen Pharmaceutica N.V., Belgium 2016-10-31
NCT02743676 A Retrospective, Observational Registry of Participants With Avian Influenza Infection https://ClinicalTrials.gov/show/NCT02743676 Completed Hoffmann-La Roche 2012-03-31
NCT02663102 Evaluation of Safety of GlaxoSmithKline (GSK) Vaccines’ Quadrivalent Seasonal Influenza Vaccine, Fluarix Tetra When Administered According to the Approved Prescribing Information (PI) in Korea. https://ClinicalTrials.gov/show/NCT02663102 Recruiting GlaxoSmithKline 2021-12-01
NCT02632578 Influenza Vaccine in HIV Study https://ClinicalTrials.gov/show/NCT02632578 Completed University of Melbourne 2015-06-30
NCT02600585 Post-Marketing Observational Study of Safety Following Vaccination With Flublok® Compared to Licensed IIV in Adults https://ClinicalTrials.gov/show/NCT02600585 Completed Protein Sciences Corporation 2016-09-30
NCT02584036 Project IMPACT Immunizations (IMProving America’s Communities Together) https://ClinicalTrials.gov/show/NCT02584036 Completed American Pharmacists Association Foundation 2016-04-30
NCT02352389 A Pilot Study of Influenza Viruses Isolated From Immunocompromised Children and Adolescents https://ClinicalTrials.gov/show/NCT02352389 Recruiting St. Jude Children’s Research Hospital 2020-08-31
NCT02567721 Post-authorisation Safety Study (PASS) of Influenza Vaccine in United Kingdom (UK) https://ClinicalTrials.gov/show/NCT02567721 Completed GlaxoSmithKline 2015-11-30
NCT01386424 Screening for LID Clinical Studies Unit Healthy Volunteer Protocols https://ClinicalTrials.gov/show/NCT01386424 Recruiting National Institutes of Health Clinical Center (CC) NA
NCT02554409 Sanofi Pasteur Quadrivalent Intradermal Influenza Vaccine Pregnancy Registry https://ClinicalTrials.gov/show/NCT02554409 Completed Sanofi 2019-04-30
NCT03392207 Active Surveillance for Adverse Events Following Immunization With the Butantan Trivalent Influenza Vaccine (2018) https://ClinicalTrials.gov/show/NCT03392207 Completed Butantan Institute 2018-07-17
NCT02511002 Long-term Observation of Hemagglutinin and Neuraminidase Inhibition Antibody Titers After Influenza Challenge https://ClinicalTrials.gov/show/NCT02511002 Recruiting National Institutes of Health Clinical Center (CC) 2027-05-12
NCT02459171 Household Transmission of Zoonotic Influenza Viruses in a Cohort of Egyptian Poultry Growers https://ClinicalTrials.gov/show/NCT02459171 Active, not recruiting St. Jude Children’s Research Hospital 2024-03-31
NCT02428738 Text Message Reminders for Influenza Vaccine in Pregnancy https://ClinicalTrials.gov/show/NCT02428738 Completed St. Michael’s Hospital, Toronto 2014-01-31
NCT02415842 A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals’ Pandemic Influenza Vaccines https://ClinicalTrials.gov/show/NCT02415842 Completed GlaxoSmithKline 2018-02-16
NCT02401893 Factors Associated With Maintenance of Antibody Responses to Influenza Vaccine in Older, Community-Dwelling Adults https://ClinicalTrials.gov/show/NCT02401893 Completed Vanderbilt University 2010-07-31
NCT02378090 A Study to Determine the Causes and Identify Increases in Influenza-Like Illness (ILI) in Mexico https://ClinicalTrials.gov/show/NCT02378090 Completed Mexican Emerging Infectious Diseases Clinical Research Network 2016-11-30
NCT02362919 Influenza Vaccination Among the Elderly Individuals https://ClinicalTrials.gov/show/NCT02362919 Completed Helmholtz Centre for Infection Research 2016-05-31
NCT02313740 Prospective Cohort Study to Evaluate Safety/Immunogenicity of Butantan Influenza Vaccine in Healthy Adults/Elderly https://ClinicalTrials.gov/show/NCT02313740 Completed Butantan Institute 2015-06-30
NCT02334514 The Effect of Oseltamivir Treatment on the Yield of Polymerase Chain Reaction Test for Confirmed Influenza Infection https://ClinicalTrials.gov/show/NCT02334514 Completed Rambam Health Care Campus 2017-05-30
NCT02302924 Evaluation of Psychometric Testing Properties of Severity Symptom Grading Scale of Influenza Infection: Flu-PRO Stage III https://ClinicalTrials.gov/show/NCT02302924 Completed Uniformed Services University of the Health Sciences 2015-03-31
NCT02142491 Clinical Tolerance to a Live Attenuated Vaccine Against Influenza (Flumist®) in a Population Allergic to Eggs https://ClinicalTrials.gov/show/NCT02142491 Completed St. Justine’s Hospital 2014-02-28
NCT02136017 Post-License Safety Evaluation of Influenza Virus Vaccine https://ClinicalTrials.gov/show/NCT02136017 Completed Sichuan Center for Disease Control and Prevention 2013-12-31
NCT02133456 A Post-marketing Safety Study of Inactivated, Split-virion Influenza Vaccine in Subjects Aged 3 Years and Older https://ClinicalTrials.gov/show/NCT02133456 Completed Centers for Disease Control and Prevention, China 2014-03-31
NCT02124096 Zoonotic Influenza Infections of Swine Origin at Ohio Agricultural Fairs https://ClinicalTrials.gov/show/NCT02124096 Completed National Institutes of Health Clinical Center (CC) 2019-06-17
NCT02067286 Detection of Influenza A, Influenza B, and RSV Using the Liatâ„¢ Assays on the Liatâ„¢ Analyzer https://ClinicalTrials.gov/show/NCT02067286 Completed IQuum, Inc. 2015-04-30
NCT01309568 “Quidel Reader Influenza A + B Test 510(k) and CLIA Waiver Field Study” https://ClinicalTrials.gov/show/NCT01309568 Completed Quidel Corporation 2011-04-30
NCT01310374 Immune Response Study of Influenza Vaccine https://ClinicalTrials.gov/show/NCT01310374 Completed Centers for Disease Control and Prevention, China 2011-05-31
NCT01302418 Collection and Testing of Respiratory Samples https://ClinicalTrials.gov/show/NCT01302418 Completed QIAGEN Gaithersburg, Inc 2011-07-31
NCT01298206 Case-control Study of Pandemic A/H1N1 Influenza Risk Factors In Lebanon https://ClinicalTrials.gov/show/NCT01298206 Completed St. Jude Children’s Research Hospital 2013-06-30
NCT01286142 Oseltamivir Infant Influenza Safety Study https://ClinicalTrials.gov/show/NCT01286142 Completed Charite University, Berlin, Germany 2010-07-31
NCT01282177 Influenza Vaccine Safety and Effectiveness in Healthcare Providers https://ClinicalTrials.gov/show/NCT01282177 Completed Dalhousie University 2012-04-30
NCT01271842 Long-term Outcome and Lung Capacity in Survivors of ARDS Due to Influenza A (H1N1) v2009 The RESPIFLU Study https://ClinicalTrials.gov/show/NCT01271842 Completed Institut National de la Santé Et de la Recherche Médicale, France NA
NCT02019745 Effects of Tobacco Products on Live Attenuated Influenza Virus (LAIV) Infections in Human Volunteers https://ClinicalTrials.gov/show/NCT02019745 Completed University of North Carolina, Chapel Hill 2016-06-30
NCT02019732 Study to Assess the Burden of Mild Outcomes (Physician Office Visits) Due to Influenza in the United States https://ClinicalTrials.gov/show/NCT02019732 Completed GlaxoSmithKline 2013-06-30
NCT01995851 Randomized Controlled Trial of LAIV vs TIV Vaccines in Schools https://ClinicalTrials.gov/show/NCT01995851 Completed Dalhousie University 2014-01-31
NCT01859039 Safety of Nasal Influenza Immunisation in Egg Allergic Children https://ClinicalTrials.gov/show/NCT01859039 Completed Imperial College London 2014-02-28
NCT01839760 Evaluation of Viral Shedding Patterns and Clinical Outcomes of Influenza Patients https://ClinicalTrials.gov/show/NCT01839760 Completed Crucell Holland BV 2014-01-31
NCT01318876 Surveillance for Adverse Events Following Influenza Immunization https://ClinicalTrials.gov/show/NCT01318876 Completed PHAC/CIHR Influenza Research Network 2011-02-28
NCT01753531 Clinical Performance Study of the Ultra Influenza A&B Test Using Nasal Swabs for Identifying Subjects Who Are Infected With the Influenza Virus Strain Type A or Type B https://ClinicalTrials.gov/show/NCT01753531 Completed Sekisui Diagnostics, LLC 2013-04-30
NCT01715792 Assess the Risk of Solid Organ Transplant Rejection Following Vaccination With Pandemrixâ„¢ in UK https://ClinicalTrials.gov/show/NCT01715792 Completed GlaxoSmithKline 2013-08-31
NCT01683630 Comparison of Epidemiology and Clinical Outcomes of Influenza A & B Cases in Manitoba, Canada https://ClinicalTrials.gov/show/NCT01683630 Completed International Centre for Infectious Diseases, Canada 2012-09-30
NCT01599390 Influenza Burden Assessment in the United States, July1997 - up to April 2009 https://ClinicalTrials.gov/show/NCT01599390 Completed GlaxoSmithKline 2013-02-28
NCT01521416 Cost of Illness Associated With Influenza in the UK https://ClinicalTrials.gov/show/NCT01521416 Completed GlaxoSmithKline 2013-04-30
NCT01517191 Sentinel Surveillance for Influenza Requiring Hospital Admission Canadian Adults https://ClinicalTrials.gov/show/NCT01517191 Completed Dalhousie University 2016-12-31
NCT01520935 Influenza Burden Assessment in the United Kingdom, 1996-2008 https://ClinicalTrials.gov/show/NCT01520935 Completed GlaxoSmithKline 2012-05-31
NCT01496079 Maternal Immunization: Giving Immunity For Tomorrow https://ClinicalTrials.gov/show/NCT01496079 Completed University of Utah 2015-12-31
NCT01484522 Laboratory Study of Licensed H1N1 Influenza Vaccines in HIV-1 Perinatally Infected Children and Youth https://ClinicalTrials.gov/show/NCT01484522 Completed International Maternal Pediatric Adolescent AIDS Clinical Trials Group 2010-01-31
NCT01462487 Safety of Inhaled Zanamivir in Pregnancy https://ClinicalTrials.gov/show/NCT01462487 Completed GlaxoSmithKline 2012-08-31
NCT01455753 The Effect of Proximity on Flu-Shot Participation https://ClinicalTrials.gov/show/NCT01455753 Completed National Bureau of Economic Research, Inc. 2012-05-31
NCT01418287 Characterization of Influenza-like Illness in Mexico https://ClinicalTrials.gov/show/NCT01418287 Completed Mexican Emerging Infectious Diseases Clinical Research Network 2014-05-31
NCT01416597 A Systematic Review of Studies of the Effect of Influenza Vaccine Against Mismatched Strains https://ClinicalTrials.gov/show/NCT01416597 Completed GlaxoSmithKline 2011-12-31
NCT01390792 Special Drug Use Investigation for Relenza® (Zanamivir) (Prophylaxis) https://ClinicalTrials.gov/show/NCT01390792 Completed GlaxoSmithKline 2009-02-28
NCT01381029 Immune Response to Seasonal Influenza Vaccine in HIV Infected Individuals https://ClinicalTrials.gov/show/NCT01381029 Completed George Washington University 2014-08-31
NCT01769430 Evaluating Modes of Influenza Transmission Observational Study of Community Acquired Influenza https://ClinicalTrials.gov/show/NCT01769430 Completed University of Maryland, College Park 2013-03-31
NCT04431050 Evaluation of a Single Use Point of Care Device for the Diagnosis of Respiratory Pathogens https://ClinicalTrials.gov/show/NCT04431050 Recruiting Imperial College London 2021-04-30
NCT04367883 Influenza Vaccination, ACEI and ARB in the Evolution of SARS-Covid19 Infection https://ClinicalTrials.gov/show/NCT04367883 Recruiting Consorci Sanitari de Terrassa 2020-07-30
NCT04336020 The DETECT(Digital Engagement & Tracking for Early Control, & Treatment) Study https://ClinicalTrials.gov/show/NCT04336020 Recruiting Scripps Translational Science Institute 2022-04-30
NCT04313946 Artificial Intelligence Algorithms for Discriminating Between COVID-19 and Influenza Pneumonitis Using Chest X-Rays https://ClinicalTrials.gov/show/NCT04313946 Recruiting Grigore T. Popa University of Medicine and Pharmacy 2020-08-16
NCT04245800 Home Testing of Respiratory Illness https://ClinicalTrials.gov/show/NCT04245800 Active, not recruiting Evidation Health 2020-03-31
NCT04282135 Detection of Influenza Infection by IMS of Nasal Air Sampling https://ClinicalTrials.gov/show/NCT04282135 Recruiting Klinikum Bayreuth GmbH 2020-04-30
NCT04244500 Burden of Influenza at Emergency Department (ED) Level in European Countries https://ClinicalTrials.gov/show/NCT04244500 Recruiting University of Rostock 2020-04-30
NCT04223544 Incidence of Influenza Infections and Determination of Vaccination Coverage Rate Among Healthcare Workers https://ClinicalTrials.gov/show/NCT04223544 Recruiting Wroclaw Medical University 2020-04-03
NCT04172610 Prevalence of Influenza RelAted Invasive Aspergillosis https://ClinicalTrials.gov/show/NCT04172610 Recruiting Karolinska University Hospital 2020-04-30
NCT04086628 Influenza Vaccine in Children With Asthma https://ClinicalTrials.gov/show/NCT04086628 Recruiting Central Hospital, Nancy, France 2020-04-30
NCT04077697 Clinical and Prognostic Comparisons Between Invasive Pulmonary Aspergillosis With or Without Invasive Tracheobronchitis During Severe Influenza: a Retrospective Multicenter Cohort Study. https://ClinicalTrials.gov/show/NCT04077697 Completed Centre Hospitalier Universitaire, Amiens 2019-07-16
NCT04038333 Financing Strategies of Influenza Vaccination in China https://ClinicalTrials.gov/show/NCT04038333 Recruiting Peking University 2019-10-30
NCT04008823 Study of Influenza Virus Infection in Children Hospitalized in Spain in Two Consecutive Influenza Seasons https://ClinicalTrials.gov/show/NCT04008823 Completed Asociacion Instituto Biodonostia 2017-11-02
NCT03930017 Pregnancy, Arsenic and Immune Response https://ClinicalTrials.gov/show/NCT03930017 Enrolling by invitation Johns Hopkins Bloomberg School of Public Health 2020-02-28
NCT03884777 Incidence and Risk of Influenza in Myasthenic Patients https://ClinicalTrials.gov/show/NCT03884777 Completed Centre d’Investigation Clinique et Technologique 805 2017-12-31
NCT03813966 Nasal Swab Home Collection Kit (NSHC Kit) Study https://ClinicalTrials.gov/show/NCT03813966 Active, not recruiting University of Wisconsin, Madison 2020-03-04
NCT03757546 Extra-pulmonary Clinical Manifestations of Influenza Virus and Respiratory Syncitial Virus Infections https://ClinicalTrials.gov/show/NCT03757546 Completed Poitiers University Hospital 2019-03-14
NCT03748069 Influenza Associated Aspergillosis In-depth Investigation https://ClinicalTrials.gov/show/NCT03748069 Recruiting Universitaire Ziekenhuizen Leuven 2021-04-30
NCT03743688 Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults https://ClinicalTrials.gov/show/NCT03743688 Completed Vanderbilt University Medical Center 2019-07-26
NCT03694392 Flublok v. Standard Dose Vaccine Effectiveness Among Kaiser Permanente Northern California Adults 18-64 Years https://ClinicalTrials.gov/show/NCT03694392 Recruiting Kaiser Permanente 2022-05-15
NCT03599739 Adjuvanted Influenza Vaccination Year 2 Follow-On Survey https://ClinicalTrials.gov/show/NCT03599739 Active, not recruiting Insight Therapeutics, LLC 2019-02-15
NCT03451656 Prospective System Analysis of the Seasonal Influenza Virus Transmissions and Evolution in the City of Basel Basel https://ClinicalTrials.gov/show/NCT03451656 Completed University Hospital, Basel, Switzerland 2017-04-30
NCT03442582 Afluria Pregnancy Registry https://ClinicalTrials.gov/show/NCT03442582 Recruiting Seqirus 2020-08-31
NCT03417869 QuickVue Influenza A + B Test Field Study https://ClinicalTrials.gov/show/NCT03417869 Completed Quidel Corporation 2018-02-01
NCT03438487 Flucelvax (TIVc or QIVc) Pregnancy Registry https://ClinicalTrials.gov/show/NCT03438487 Active, not recruiting Seqirus 2020-12-31
NCT01262079 Evaluation of Influenza-Specific Immune Responses in Children and Adults During the 2010-2011 Influenza Season in the U.S. https://ClinicalTrials.gov/show/NCT01262079 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2011-07-31
NCT01254955 Antibody Production Following H1N1 Influenza Vaccination in Organ Transplant Patients https://ClinicalTrials.gov/show/NCT01254955 Completed Sahlgrenska University Hospital, Sweden 2011-01-31
NCT01239537 Swine Flu (Influenza A H1N1) Follow on Vaccine Study https://ClinicalTrials.gov/show/NCT01239537 Completed University of Oxford 2010-12-31
NCT01218685 Evaluation of Pandemic Influenza A (H1N1) Vaccine in Chronic and or Immunocompromised Patients, Elderly and Pregnants https://ClinicalTrials.gov/show/NCT01218685 Completed Butantan Institute 2010-09-30
NCT01206114 Evaluation of the Effectiveness of Vaccination With 2009 H1N1 Vaccines During Influenza Season 2010-11 https://ClinicalTrials.gov/show/NCT01206114 Completed National Institute for Health and Welfare, Finland 2011-04-30
NCT01203527 A Study of the Pharmacology of Tamiflu in Pregnancy https://ClinicalTrials.gov/show/NCT01203527 Completed Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) 2012-10-31
NCT01199744 Relenza® Sentinel Site Monitoring Program in Japan https://ClinicalTrials.gov/show/NCT01199744 Completed GlaxoSmithKline 2009-11-30
NCT01191853 Cellular and Molecular Characterization of the Immune Response in Healthy NIH Employees atBaseline, and After Immunization With the H1N1 or Seasonal Influenza Vaccines https://ClinicalTrials.gov/show/NCT01191853 Completed National Institutes of Health Clinical Center (CC) NA
NCT01178918 Non-specific Response to H1N1 Vaccine https://ClinicalTrials.gov/show/NCT01178918 Completed The University Clinic of Pulmonary and Allergic Diseases Golnik 2010-12-01
NCT01156701 Prophylactic Efficacy of Relenza Against Influenza A and B https://ClinicalTrials.gov/show/NCT01156701 Completed GlaxoSmithKline 2010-05-31
NCT01150552 Studies of Avian Influenza Transmission to Humans in Egypt https://ClinicalTrials.gov/show/NCT01150552 Completed St. Jude Children’s Research Hospital 2014-05-31
NCT01136057 Blood and Plasma Collection For Use in Future Clinical Trials https://ClinicalTrials.gov/show/NCT01136057 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2019-01-04
NCT01107262 Avian Influenza Studies In Lebanon https://ClinicalTrials.gov/show/NCT01107262 Completed St. Jude Children’s Research Hospital 2010-12-31
NCT01106196 The Role of Influenza as a Trigger for Acute Myocardial Infarction: a CALIBER Study https://ClinicalTrials.gov/show/NCT01106196 Completed University College, London 2012-10-31
NCT01101074 Observational Safety and Effectiveness Study of Adjuvanted Swine Origin A (H1N1) Pandemic Subunit Egg Derived Vaccine https://ClinicalTrials.gov/show/NCT01101074 Completed Novartis 2010-01-31
NCT01098786 Drug Use Investigation for Cell-culture Derived Influenza A (H1N1) Emulsion HA Vaccine https://ClinicalTrials.gov/show/NCT01098786 Completed Novartis 2010-11-30
NCT01089816 Rapid Diagnostic Test for Influenza https://ClinicalTrials.gov/show/NCT01089816 Completed Meso Scale Diagnostics, LLC. 2010-08-31
NCT01089400 Immuno-virological Characterization of Severe H1N1v Influenza Infection in Bronchoalveolar Lavage https://ClinicalTrials.gov/show/NCT01089400 Completed Institut National de la Santé Et de la Recherche Médicale, France NA
NCT01083511 Collection and Extraction of Respiratory Specimens https://ClinicalTrials.gov/show/NCT01083511 Completed QIAGEN Gaithersburg, Inc 2010-05-31
NCT01074736 Host Genetic Susceptibility to Avian Influenza A/H5N1 https://ClinicalTrials.gov/show/NCT01074736 Completed South East Asia Infectious Disease Clinical Research Network 2010-08-31
NCT01066169 Vaccination Response in ImmunoCompromised Host. Immune Response After Vaccination Against Pandemic A/H1N1 Influenza https://ClinicalTrials.gov/show/NCT01066169 Completed Leiden University Medical Center 2010-02-28
NCT01056354 Respiratory Virus Outpatient Study (FLU 002 Plus) https://ClinicalTrials.gov/show/NCT01056354 Completed University of Minnesota 2017-05-12
NCT01056185 Respiratory Virus Hospitalization Study (FLU 003 Plus) https://ClinicalTrials.gov/show/NCT01056185 Recruiting University of Minnesota 2020-12-31
NCT01046734 Virus Shedding and Environmental Deposition of a Novel Influenza Virus https://ClinicalTrials.gov/show/NCT01046734 Completed University of Nottingham 2011-03-31
NCT01046331 Novel Influenza A (H1N1) Surveillance Registry https://ClinicalTrials.gov/show/NCT01046331 Completed National Heart, Lung, and Blood Institute (NHLBI) 2010-04-30
NCT01040741 Observational Safety Study of Adjuvanted Swine Origin A (H1N1) Pandemic Subunit Egg Derived Vaccine https://ClinicalTrials.gov/show/NCT01040741 Completed Novartis 2011-03-31
NCT01037855 Observational Study of Safety of Flu Cell Culture Derived Adjuvanted Swine Origin A (H1N1) Pandemic Subunit Vaccine https://ClinicalTrials.gov/show/NCT01037855 Completed Novartis 2010-06-30
NCT01037829 Novartis Pandemic Influenza A (H1N1) Vaccine(s) Observational Comparative Safety Study https://ClinicalTrials.gov/show/NCT01037829 Completed Novartis 2010-11-30
NCT01032980 Post Authorization Safety Study of the Pandemic A/H1N1 Influenza Vaccines in Children and Adults https://ClinicalTrials.gov/show/NCT01032980 Completed Sanofi 2011-01-31
NCT01024725 Evaluation of Pandemic Vaccination Campaign https://ClinicalTrials.gov/show/NCT01024725 Completed National Institute for Health and Welfare, Finland 2010-04-30
NCT01024673 Clinical Characteristics and Outcomes in Patients Diagnosed With Novel Influenza A (H1N1) https://ClinicalTrials.gov/show/NCT01024673 Recruiting University of Pittsburgh 2025-12-31
NCT01011582 Characteristics and Outcomes of Intensive Care Unit Patients Admitted With Novel H1N1 Influenza or Seasonal Influenza https://ClinicalTrials.gov/show/NCT01011582 Completed Virginia Commonwealth University 2010-06-30
NCT00998803 Surveillance of Influenza Virus Shedding and Immunologic Response in Immunocompromised Children and Young Adults https://ClinicalTrials.gov/show/NCT00998803 Completed St. Jude Children’s Research Hospital 2012-06-30
NCT00996970 Immunogenicity of Novel H1N1 Vaccination Among HIV-Infected Compared to HIV-Uninfected Persons https://ClinicalTrials.gov/show/NCT00996970 Active, not recruiting Uniformed Services University of the Health Sciences 2009-12-31
NCT00996853 Post-Authorization Safety Study of GSK Biologicals’ Pandemic Influenza Vaccine (H1N1) in the United Kingdom https://ClinicalTrials.gov/show/NCT00996853 Completed GlaxoSmithKline 2010-10-20
NCT00985582 Antiviral Therapy for Influenza A H1N1 https://ClinicalTrials.gov/show/NCT00985582 Completed South East Asia Infectious Disease Clinical Research Network 2010-08-31
NCT00984451 A Pilot Study for Collection of Anti-Influenza A Immune Plasma https://ClinicalTrials.gov/show/NCT00984451 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2018-12-31
NCT00965354 Mechanisms of Severe Acute Influenza Consortium (MOSAIC) https://ClinicalTrials.gov/show/NCT00965354 Completed Imperial College London 2011-02-28
NCT00950456 Observational Study to Assess Safety of H1N1 Pandemic Influenza Vaccine https://ClinicalTrials.gov/show/NCT00950456 Completed Ology Bioservices 2010-12-31
NCT00884117 Influenza Resistance Information Study https://ClinicalTrials.gov/show/NCT00884117 Completed Hoffmann-La Roche 2015-11-30
NCT01192737 “COhort Study on A/H1N1 FLU During PREGnancy” https://ClinicalTrials.gov/show/NCT01192737 Completed Institut National de la Santé Et de la Recherche Médicale, France 2010-09-30
NCT00828828 Antibody Response to Influenza Vaccine in Patients With Sarcoidosis https://ClinicalTrials.gov/show/NCT00828828 Completed Shahid Beheshti University of Medical Sciences 2009-02-28
NCT01584908 Adjuvanted Influenza Vaccine Evaluation in Kidney Transplant Recipients https://ClinicalTrials.gov/show/NCT01584908 Completed University of Alberta 2014-04-30
NCT00533182 Influenza in People With Normal and Weakened Immune Systems https://ClinicalTrials.gov/show/NCT00533182 Recruiting National Institutes of Health Clinical Center (CC) NA
NCT02846311 Evaluation of the Alere i Influenza A&B Nucleic Acid Amplification Versus Xpert Flu/RSV https://ClinicalTrials.gov/show/NCT02846311 Completed Groupe Hospitalier Paris Saint Joseph 2015-04-30
NCT00760500 Surveillance of Influenza Virus Among Children With Febrile Respiratory Complaints Attending the Pediatric Clinic of the First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong, Mainland China https://ClinicalTrials.gov/show/NCT00760500 Completed St. Jude Children’s Research Hospital 2014-03-31
NCT00677547 Cell-mediated Immune Response to Influenza Vaccine https://ClinicalTrials.gov/show/NCT00677547 Completed University of Alberta 2010-01-31
NCT00636662 FLU A+B Nasal Swab Clinical Study https://ClinicalTrials.gov/show/NCT00636662 Completed Response Biomedical Corp. 2008-05-31
NCT00593970 Influenza Vaccine in Pregnancy Part 2 https://ClinicalTrials.gov/show/NCT00593970 Completed St. Michael’s Hospital, Toronto 2013-10-31
NCT00551837 Immune Response to Influenza Vaccination https://ClinicalTrials.gov/show/NCT00551837 Completed The Cleveland Clinic 2008-04-30
NCT00455169 Influenza Vaccine in Premature Infants https://ClinicalTrials.gov/show/NCT00455169 Completed University of Rochester 2008-05-31
NCT00448617 Cigarette Smoke and Susceptibility to Influenza Infection https://ClinicalTrials.gov/show/NCT00448617 Completed University of North Carolina, Chapel Hill 2011-09-30
NCT00428831 Clinical IGSP-CHOP Boston https://ClinicalTrials.gov/show/NCT00428831 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2008-09-30
NCT00428753 China Case Control Avian Influenza https://ClinicalTrials.gov/show/NCT00428753 Completed National Institute of Allergy and Infectious Diseases (NIAID) NA
NCT00428493 Prospective Study of AI H5N1 in China https://ClinicalTrials.gov/show/NCT00428493 Completed National Institute of Allergy and Infectious Diseases (NIAID) NA
NCT00419861 Inpatient Influenza Surveillance https://ClinicalTrials.gov/show/NCT00419861 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2007-04-30
NCT00421837 Pilot Study of Genotypic Analysis https://ClinicalTrials.gov/show/NCT00421837 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2008-12-31
NCT00401700 Influenza Vaccine Postpartum Questionnaire https://ClinicalTrials.gov/show/NCT00401700 Completed St. Michael’s Hospital, Toronto 2008-01-31
NCT00337896 T and B Cell Response to Avian Flu Vaccine https://ClinicalTrials.gov/show/NCT00337896 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2006-05-31
NCT00311701 Chart Review of Antivirals for Influenza in Infants https://ClinicalTrials.gov/show/NCT00311701 Completed National Institute of Allergy and Infectious Diseases (NIAID) NA
NCT00306982 Incidence of Influenza, Downstream Complications of Influenza & Hospitalizations in Elderly Vaccinated With Fluarixâ„¢ https://ClinicalTrials.gov/show/NCT00306982 Completed GlaxoSmithKline 2006-12-31
NCT00265161 The Effectiveness of Influenza Vaccine Among Health Care Workers in a Hospital Setting. https://ClinicalTrials.gov/show/NCT00265161 Completed HaEmek Medical Center, Israel NA
NCT00170482 Elderly Influenza Vaccine Immunogenicity Substudy https://ClinicalTrials.gov/show/NCT00170482 Completed National Institute of Allergy and Infectious Diseases (NIAID) 2005-05-30
NCT00542776 Impact of Immunosuppression in IBD Patients on Response to Influenza Vaccine https://ClinicalTrials.gov/show/NCT00542776 Completed Boston Children’s Hospital 2008-02-29

Registries

#If less then 500 registries

nct_id brief_title link overall_status source primary_completion_date
NCT04460781 Surveillance Study to Assess the Safety of Flublok Quadrivalent (Influenza Vaccine) in Pregnant Women and Their Offspring https://ClinicalTrials.gov/show/NCT04460781 Active, not recruiting Sanofi 2022-02-28
NCT02478905 Transmission of Influenza Virus From Asymptomatic Healthcare Workers and Inpatients in the Acute Care Hospital Setting https://ClinicalTrials.gov/show/NCT02478905 Completed University of Zurich 2017-06-30
NCT03323112 Immune Responses in Health Care Personnel https://ClinicalTrials.gov/show/NCT03323112 Recruiting National Institute for Health and Welfare, Finland 2027-10-14
NCT01945424 Sanofi Pasteur Quadrivalent Influenza Vaccine (QIV) Pregnancy Registry https://ClinicalTrials.gov/show/NCT01945424 Completed Sanofi 2019-09-15
NCT01906593 A Post-marketing Safety Study of Beijing Tiantan Biological’s Influenza Virus Vaccine in Elderly https://ClinicalTrials.gov/show/NCT01906593 Completed Centers for Disease Control and Prevention, China 2013-07-31
NCT04315194 Efficacy of Clarithromycin-Naproxen-Oseltamivir Combination Therapy vs. Oseltamivir Alone for Hospitalised Paediatric Influenza Patients https://ClinicalTrials.gov/show/NCT04315194 Completed Mackay Memorial Hospital 2019-12-29